724126104 has 96 divisors (see below), whose sum is σ = 2127827520. Its totient is φ = 221142528.

The previous prime is 724126103. The next prime is 724126111. The reversal of 724126104 is 401621427.

724126104 is a `hidden beast` number, since 7 + 2 + 41 + 2 + 610 + 4 = 666.

It is a super-2 number, since 2×724126104² = 1048717228988437632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (724126103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 125409 + ... + 131055.

It is an arithmetic number, because the mean of its divisors is an integer number (22164870).

Almost surely, 2^724126104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 724126104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1063913760).

724126104 is an abundant number, since it is smaller than the sum of its proper divisors (1403701416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

724126104 is a wasteful number, since it uses less digits than its factorization.

724126104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5809 (or 5802 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 724126104 is about 26909.5913012442. The cubic root of 724126104 is about 897.9897949082.

The spelling of 724126104 in words is "seven hundred twenty-four million, one hundred twenty-six thousand, one hundred four".